Generation and Detection of Large--Vector Phonons
- 6 September 1971
- journal article
- research article
- Published by American Physical Society (APS) in Physical Review Letters
- Vol. 27 (10) , 670-674
- https://doi.org/10.1103/physrevlett.27.670
Abstract
We report observations in diamond of buildup of acoustic phonons well out in the Brillouin zone. The acoustic phonon generation accompanies strong pumping by harmonic optical phonons. Phonons are detected by their effect on impurity fluorescence. The Orbach phonon breakdown mechanism is calculated to play an important role.
Keywords
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